fixup! Disable copy and move explicite in borrowable_ptr

Author: daschuer

src/test/borrowabletest.cpp

@@ -66,10 +66,4 @@ TEST_F(BorrowableTest, TwoThreads) {
     future2.waitForFinished();
 }
 
-TEST_F(BorrowableTest, noCopy) {
-    int i = 1;
-    auto borrowable1 = borrowable_ptr(&i);
-    auto borrowable2 = std::move(borrowable1);
-}
-
 } // namespace